The Relay,electromagnetic, cataloged under National Stock Number 5945-00-321-6847, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Tyco Electronics Uk Ltd. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-321-6847 |
| Primary Part Number | HDD1SF2E54 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Tyco Electronics Uk Ltd |
| Status | ACTIVE |
| Time Delay | 0.003 SECONDS NOMINAL FIXED RELEASE TIME |
| Time Delay | 0.0050 SECONDS NOMINAL FIXED OPERATE TIME |
| Coil Quantity | 1 |
| Winding Quantity | 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 049-0803 | Keysight Technologies Inc (USA) |
| HDD1SF2E54 PRIMARY | Tyco Electronics Uk Ltd (GBR) |
| X27-9999-694 | Wound Products Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 049-0803 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 049-0803 | 5/9 Secondary reference Keysight Technologies, Inc. |
NSN 5945-00-321-6847 is a Relay,electromagnetic, manufactured by Tyco Electronics Uk Ltd, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-321-6847 has 3 manufacturer part numbers on file: 049-0803 (Keysight Technologies Inc), HDD1SF2E54 (Tyco Electronics Uk Ltd), X27-9999-694 (Wound Products Ltd).
Key specifications for HDD1SF2E54: Overall Length: 0.835 INCHES NOMINAL IN; Overall Width: 0.435 INCHES NOMINAL IN; Time Delay: 0.003 SECONDS NOMINAL FIXED RELEASE TIME; Time Delay: 0.0050 SECONDS NOMINAL FIXED OPERATE TIME. 4 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.